1. Departments of Genetics (M.K.C., M.C., C.N.-W., R.P.L.), New Haven, Connecticut 06520
2. Surgery (L.F.S., R.U., T.C.), New Haven, Connecticut 06520
3. Department of Surgical Sciences (L.F.S.), Uppsala University, SE-751 85 Uppsala, Sweden
4. Yale Endocrine Neoplasia Laboratory (L.F.S., T.C.), New Haven, Connecticut 06520
5. Cancer Genetics and Genomics Program (T.C.), Yale Cancer Center, Yale University School of Medicine, New Haven, Connecticut 06520